Implement PostgreSQL-conformant result columns#79

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erans merged 21 commits into

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feature/column-conformance

Jul 3, 2026

Commits on Jul 2, 2026

docs: spec for result column conformance & sanitization redesign
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docs: implementation plan for result column conformance
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feat: add pgsqlite.legacy_result_columns GUC reader (default off)
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feat: add ColumnMeta, fn_shape, and function->type table
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feat: add AliasItem + cached alias-view parse (AS-gated)
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feat: ProjectionResolver precedence core (schema>fn>alias>?column?>fallback)
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fix: step 2 casing always conformant; add legacy=true + alias + array_agg tests
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feat: resolve_columns + resolve_columns_from_names helpers with ?column?N dedup
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refactor: route all SELECT paths through resolve_columns (fixes F3)
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Commits on Jul 3, 2026